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Abstract
Introduction: This study is part of the analysis of the Latin American Integrated Market (MILA) made up of the Peruvian, Chilean and Colombian stock exchanges since 2011, and expanded in 2014 with the incorporation of Mexico. Objective: The main objective is to analyze the behavior of the stock market indices of the MILA member countries and the dynamics of their interrelationship. Methodology: Indices were normalized, stationarity was evaluated using the Augmented Dickey-Fuller test (ADF), the Johansen cointegration test was applied, and a VAR in differences was estimated to analyze the interactions between stock indices. The period of analysis covers from 2015 to 2022. Results: The series were non-stationary at level and integrated in order one. No evidence of cointegration was found between MILA indices, nor in subsets. The VAR model showed significant short-term relationships, especially between the Mexican Index of Prices and Quotations (IPC), the General Index of the Lima Stock Exchange (IGBVL), the Selective Stock Price Index (IPSA) and the Colombian Capitalization Index (COLCAP). Impulse-response analyses confirmed transient interdependencies. Conclusions: There is no long-term stock market integration between the MILA markets. However, significant short-term interactions are detected. This suggests the transmission of shocks and common reactions to external events, with implications for regional diversification and more effective financial integration policies. Introducción: Este estudio forma parte del análisis del Mercado Integrado Latinoamericano (MILA) conformado por las bolsas de valores de Perú, Chile y Colombia desde el año 2011, y se amplió en el año 2014 con la incorporación de México. Objetivo: El objetivo principal es analizar el comportamiento de los índices bursátiles de los países miembros del MILA y la dinámica de su interrelación. Metodología: Se normalizaron los índices, se evaluó la estacionariedad mediante la prueba de Dickey-Fuller aumentada (ADF), se aplicó la prueba de cointegración de Johansen y se estimó un VAR en diferencias para analizar las interacciones entre los índices bursátiles. El periodo de análisis abarca desde 2015 hasta 2022. Resultados: Las series fueron no estacionarias a nivel e integradas en el orden uno. No se encontró evidencia de cointegración entre los índices MILA, ni en subconjuntos. El modelo VAR mostró relaciones significativas de corto plazo, especialmente entre el Índice Mexicano de Precios y Cotizaciones (IPC), el Índice General de la Bolsa de Valores de Lima (IGBVL), el Índice Selectivo de Precios de Acciones (IPSA) y el Índice de Capitalización Colombiano (COLCAP). Los análisis de impulso-respuesta confirmaron las interdependencias transitorias. Conclusiones: No existe una integración bursátil a largo plazo entre los mercados del MILA. Sin embargo, se detectan interacciones significativas a corto plazo. Esto sugiere la transmisión de shocks y reacciones comunes a eventos externos, con implicaciones para la diversificación regional y políticas de integración financiera más efectivas. Introdução: Este estudo faz parte da análise do Mercado Integrado Latino-Americano (MILA) composto pelas bolsas de valores peruana, chilena e colombiana desde 2011, e ampliado em 2014 com a incorporação do México. Objetivo: O objetivo principal é analisar o comportamento dos índices bolsistas dos países membros do MILA e a dinâmica da sua inter-relação. Metodologia: Os índices foram normalizados, a estacionariedade foi avaliada por meio do teste de Dickey-Fuller Aumentado (ADF), o teste de cointegração de Johansen foi aplicado e um VAR em diferenças foi estimado para analisar as interações entre os índices de ações. O período de análise abrange de 2015 a 2022. Resultados: As séries foram não estacionárias no nível e integradas na ordem um. Não foram encontradas evidências de cointegração entre os índices MILA, nem em subconjuntos. O modelo VAR mostrou relações significativ
Suggested Citation
Luis Enrique Cayatopa-Rivera & Héctor Javier Bendezú-Jiménez, 2025.
"Stock market interrelationships in the Latin American Integrated Market (MILA): a VAR approach to short-term dynamics (2015–2022),"
Revista Tendencias, Universidad de Narino, vol. 26(02), pages 136-161, July.
Handle:
RePEc:col:000520:021475
DOI: 10.22267/rtend.2526
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JEL classification:
- G10 - Financial Economics - - General Financial Markets - - - General (includes Measurement and Data)
- G11 - Financial Economics - - General Financial Markets - - - Portfolio Choice; Investment Decisions
- G12 - Financial Economics - - General Financial Markets - - - Asset Pricing; Trading Volume; Bond Interest Rates
- G14 - Financial Economics - - General Financial Markets - - - Information and Market Efficiency; Event Studies; Insider Trading
- G15 - Financial Economics - - General Financial Markets - - - International Financial Markets
- G17 - Financial Economics - - General Financial Markets - - - Financial Forecasting and Simulation
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